Circuit breaker



FIG. 1 is a front side perspective view of an embodiment of a circuit breaker.

FIG. 2 is a front side view of the circuit breaker shown in FIG. 1.

FIG. 3 is a back side view of the circuit breaker shown in FIG. 1.

FIG. 4 is a left side view of the circuit breaker shown in FIG. 1.

FIG. 5 is a right side view of the circuit breaker shown in FIG. 1.

FIG. 6 is a top side view of the circuit breaker shown in FIG. 1; and,

FIG. 7 is a bottom side view of the circuit breaker shown in FIG. 1.

The broken lines in the drawings illustrate portions of the circuit breaker that form no part of the claimed design. 

CLAIM The ornamental design for a circuit breaker, as shown and described. 